﻿using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

using BEGDC.Utility.Castle;
using BEGDC.Utility.ExceptionManagement;
using BEGDC.CC.BL.Common.Query;
using BEGDC.CC.BL.Workflow;
using BEGDC.CC.BL.UserManagement;
using BEGDC.CC.BL.Common;
using BEGDC.CC.Entity;
using BEGDC.CC.Web.UserControls;
using NetBpm.Util.Client;
using NetBpm.Workflow.Execution;
using NetBpm.Workflow.Execution.EComp;

namespace BEGDC.CC.Web
{
	/// <summary>
	/// Summary description for main.
	/// </summary>
	public class MyAP : System.Web.UI.Page
	{
		/// <summary>
		/// 
		/// </summary>
		private bool _IsSearch
		{
			get
			{
				if( ViewState["_IsSearch"] == null ) return false;

				return Convert.ToBoolean( ViewState["_IsSearch"]); 
			}
			set{ ViewState["_IsSearch"]=value; }
		}

		/// <summary>
		/// 
		/// </summary>
		private string _Sorting
		{
			get
			{
				if( ViewState["Sorting"] == null ) return string.Empty;

				return ViewState["Sorting"].ToString(); 
			}
			set{ ViewState["Sorting"]=value; }
		}

		protected System.Web.UI.WebControls.Button btnExport;
		protected System.Web.UI.WebControls.Button btnSearch;
		protected System.Web.UI.WebControls.TextBox txtAPNo;
		protected System.Web.UI.WebControls.ImageButton btnPageFirst;
		protected System.Web.UI.WebControls.ImageButton btnPagePrev;
		protected System.Web.UI.WebControls.ImageButton btnPageNext;
		protected System.Web.UI.WebControls.ImageButton btnPageLast;
		protected System.Web.UI.WebControls.Label lblRecordCount;
		protected System.Web.UI.WebControls.Label lblPageCount;
		protected System.Web.UI.WebControls.Label lblCurrentPageIndex;
		protected System.Web.UI.WebControls.DataGrid dgTaskList;
		protected System.Web.UI.WebControls.TextBox txtPage;
		protected System.Web.UI.WebControls.ImageButton btnGotoPage;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			try
			{
				// Put user code to initialize the page here
				if(!Page.IsPostBack)
				{
//					InitializeDropDownList();
					this.BindData(1);
				}
			}
			catch(GDCException gdcEx)
			{
				WebUtility.Go2ErrorPage(this.Page, gdcEx.ErrorNumber);
			}
			catch(Exception ex)
			{
				string s = ex.Message;
				WebUtility.Go2ErrorPage(this.Page, BEGDC.CC.BL.Common.ErrorCode.Other_Exception);
			}
		}



//		private void InitializeDropDownList()
//		{
//			IQuery iquery = AppContainer.Instance[ServiceConst.QueryService] as IQuery;
//
//			System.Data.DataTable dtApp = iquery.QueryAppNoListWithAP(((CCIdentity)HttpContext.Current.User.Identity).UserInfo.Id);
//
//			//Department
////			this.ddlApplicationNo.DataSource = dtApp;
////			this.ddlApplicationNo.DataValueField = "AppNo";
////			this.ddlApplicationNo.DataTextField = "AppNo";
////			this.ddlApplicationNo.DataBind();
////			this.ddlApplicationNo.Items.Insert(0,new System.Web.UI.WebControls.ListItem("All","-1"));
////			this.ddlApplicationNo.SelectedIndex = 0;
//		}

		private void BindData(int pageIndex)
		{
			
			IQuery iquery = AppContainer.Instance[ServiceConst.QueryService] as IQuery;
			
			System.Data.DataTable dtAPs = null;

			if (this._IsSearch)
			{
				dtAPs = iquery.QueryAPList(((CCIdentity)HttpContext.Current.User.Identity).UserInfo.Id, this.txtAPNo.Text);
			}
			else
			{
				dtAPs = iquery.QueryAPList(((CCIdentity)HttpContext.Current.User.Identity).UserInfo.Id );
			}
			if (this._Sorting != string.Empty)
			{
				dtAPs.DefaultView.Sort = this._Sorting;
			}

			int count = dtAPs.Rows.Count;

			this.dgTaskList.DataSource = dtAPs.DefaultView;
			this.dgTaskList.DataBind();

			SetPageCount(count, pageIndex);

		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            this.btnExport.Click += new EventHandler(btnExport_Click);
            this.btnSearch.Click += new EventHandler(btnSearch_Click);
			this.btnPageFirst.Click += new System.Web.UI.ImageClickEventHandler(this.btnPageFirst_Click);
			this.btnPagePrev.Click += new System.Web.UI.ImageClickEventHandler(this.btnPagePrev_Click);
			this.btnPageNext.Click += new System.Web.UI.ImageClickEventHandler(this.btnPageNext_Click);
			this.btnPageLast.Click += new System.Web.UI.ImageClickEventHandler(this.btnPageLast_Click);
			this.btnGotoPage.Click += new System.Web.UI.ImageClickEventHandler(this.btnGotoPage_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}

		#endregion

		#region ---------- paging events ----------------
		private void btnPageFirst_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			this.dgTaskList.CurrentPageIndex = 0;
			this.BindData(1);
		}

		private void btnPagePrev_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if( _CurrentPageIndex == 1 ) return;
			this.dgTaskList.CurrentPageIndex = _CurrentPageIndex-2;
			this.BindData(_CurrentPageIndex - 1);
		}

		private void btnPageNext_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if( _CurrentPageIndex == _PageCount ) return;	
			this.dgTaskList.CurrentPageIndex = _CurrentPageIndex;
			this.BindData( _CurrentPageIndex + 1 );
		}

		private void btnPageLast_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			this.dgTaskList.CurrentPageIndex = _PageCount-1;
			this.BindData( _PageCount );
		}

		private void btnGotoPage_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if (this.txtPage.Text == string.Empty)	
			{
				this.txtPage.Text = "1";
			}
			int gotopage = 1;
			try
			{
				gotopage = Convert.ToInt32(this.txtPage.Text);
			}
			catch{}
			int currentpage = 0;

			if (gotopage >= _PageCount)	
			{
				gotopage = _PageCount;
				currentpage = gotopage - 1;
				if (currentpage < 0) currentpage = 0;
			}
			else if (gotopage <= 0)
			{
				gotopage = 1;
			}
			else
			{
				currentpage = gotopage -1;
			}
			
			this.dgTaskList.CurrentPageIndex = currentpage;

			this.BindData( gotopage );

			this.txtPage.Text = string.Empty;
		}

		#endregion

		#region page navigation
		private int _PageCount
		{
			get
			{
				if( ViewState["PageCount"] != null ) return (int) ViewState["PageCount"];
				else
					return 0;
			}
			set
			{
				ViewState["PageCount"] = value;
			}
		}
		private int _CurrentPageIndex
		{
			get
			{
				if( ViewState["CurrentPageIndex"] != null ) return (int) ViewState["CurrentPageIndex"];
				else
					return 0;
			}
			set
			{
				ViewState["CurrentPageIndex"] = value;
			}
		}
		private int _RowCount
		{
			get
			{
				if( ViewState["RowCount"] != null ) return (int) ViewState["RowCount"];
				else
					return 0;
			}
			set
			{
				ViewState["RowCount"] = value;
			}
		}
		private void SetPageNavi( int newPage )
		{
			if( newPage <= 1 )
			{
				this.btnPageFirst.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_first_inact.gif";
				this.btnPagePrev.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_pre_inact.gif";
				this.btnPageFirst.Attributes["disabled"] = "true";
				this.btnPagePrev.Attributes["disabled"] = "true";
			}
			else
			{
				this.btnPageFirst.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_first.gif";
				this.btnPagePrev.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_pre.gif";
				this.btnPageFirst.Attributes.Remove("disabled");
				this.btnPagePrev.Attributes.Remove("disabled");
			}

			if( newPage >= _PageCount )
			{
				this.btnPageNext.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_next_inact.gif";
				this.btnPageLast.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_last_inact.gif";
				this.btnPageNext.Attributes["disabled"] = "true";
				this.btnPageLast.Attributes["disabled"] = "true";
			}
			else
			{
				this.btnPageNext.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_next.gif";
				this.btnPageLast.ImageUrl = BEGDC.CC.Web.UserControls.WebUtility.Path+"/images/pg_last.gif";
				this.btnPageNext.Attributes.Remove("disabled");
				this.btnPageLast.Attributes.Remove("disabled");
			}

			this.lblCurrentPageIndex.Text = newPage.ToString();
			this.lblPageCount.Text = _PageCount.ToString();
			this.lblRecordCount.Text = _RowCount.ToString();

		}

		private void SetPageCount(int count, int pageIndex)
		{
			if( count > 0 )
			{
				_RowCount = count;
				_PageCount = count / this.dgTaskList.PageSize;
				if( count % this.dgTaskList.PageSize > 0) _PageCount ++;

				_CurrentPageIndex = pageIndex;	
				SetPageNavi( pageIndex );
			}	
			else
			{
				_RowCount = count;
				_PageCount = count;
				_CurrentPageIndex = 0;
				SetPageNavi( 0 );
			}
		}

		#endregion

        void btnSearch_Click(object sender, EventArgs e)
        {
            if (this.txtAPNo.Text.Trim() == string.Empty)
            {
                this._IsSearch = false;
                this.BindData(1);
                return;
            }
            this._IsSearch = true;

            this.BindData(1);
        }

        void btnExport_Click(object sender, EventArgs e)
        {
            this.dgTaskList.AllowPaging = false;
            this.BindData(1);
            BEGDC.CC.Web.Control.ExportDataGridToExcel.Export(Page, dgTaskList, "MyAP.xls");
        }

		public void dgTaskList_SortCommand(object source, DataGridSortCommandEventArgs e)
		{
			if (this._Sorting.IndexOf(e.SortExpression) > -1 && this._Sorting == e.SortExpression)
				this._Sorting = e.SortExpression + " desc";
			else
				this._Sorting = e.SortExpression;
			this.BindData(1);
			
		}
		public bool IsAccessMyTask()
		{
			//string filename = System.IO.Path.GetFileName(Request.FilePath);
			return((BEGDC.CC.BL.Workflow.CCPrincipal)HttpContext.Current.User).IsAccess("mytask.aspx");
		}
	}
}
